Portable cooler



FIG. 1 is a perspective view of a portable cooler, showing my new design with the strap attached for use as a shoulder strap;

FIG. 2 is a view similar to FIG. 1 with the top cover and side pocket cover of the cooler open;

FIG. 3 is a perspective view of the portable cooler of FIG. 1 as viewed from the opposite direction;

FIG. 4 is a view similar to FIG. 3 showing the top cover, side pocket cover and lower compartment cover open; and,

FIG. 5 is a perspective view of the portable cooler of the preceding figures as viewed from below and showing the strap attached for use of the cooler as a backpack. 

The ornamental design for a portable cooler, as shown and described. 